.item {
  display: inline-block;
  width: 30px;
  height: 23px;
  margin-right: 5px;
  color: #fff;
  font-size: 24px;
  text-align: center;
  background-color: red;
  border-radius: 2px;
  
  
}
.btime{
  display: flex;
  justify-content: center;
  margin-top: 10px;
}

.but{
  display: flex;
}

.tex{
  margin-top: 10px;
}